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Fix runtime for backtracking #4663

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Fix runtime for backtracking #4663

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4 changes: 2 additions & 2 deletions articles/search-for-word-ii.md
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Expand Up @@ -341,10 +341,10 @@ class Solution {

### Time & Space Complexity

- Time complexity: $O(m * n * 4 ^ t + s)$
- Time complexity: $O(w * m * n * 4 * 3 ^ t - 1)$
- Space complexity: $O(t)$

> Where $m$ is the number of rows, $n$ is the number of columns, $t$ is the maximum length of any word in the array $words$ and $s$ is the sum of the lengths of all the words.
> Where $w$ is the number of words, $m$ is the number of rows, $n$ is the number of columns and $t$ is the maximum length of any word in the array $words$.

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